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经营范围
发明名称
Aiguillage pour transmission à haute fréquence
摘要
申请公布号
FR1172840(A)
申请公布日期
1959.02.16
申请号
FRD1172840
申请日期
1957.03.06
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
分类号
H03H7/01;H04B3/56
主分类号
H03H7/01
代理机构
代理人
主权项
地址
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